XML 116 R72.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Retirement Plan) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Employers matching percentage 100.00% 100.00% 100.00%
Employee maximum annual contribution eligible for match 5.00% 5.00% 5.00%
Company's contribution $ 11.8 $ 11.2 $ 11.0